Index

Symbols

{level-1 | level-1-2 | level-2} keywords[level-1 | level-1-2 | level-2 keywords, How to Redistribute

A

ABR (area border router), Area Border Router (ABR)
access lists, Filtering by Prefix (Address/Mask) Information, Filter the Routes Sent out in Updates
ack fields, EIGRP Packet Format
acknowledgment packets, Reliable Transport Protocol
active state, Topology table
active timer, Increase active timer
address and wildcard-mask fields, Getting OSPF Running
administrative distance, The Routing Table
advertising router, Database Exchange
Aggregator attribute, Aggregator (type code 7)
algorithms, routing protocols, Dynamic Routing
always keyword, Default Routes
areas, Definitions and Concepts
area 0, Open Shortest Path First (OSPF)
area border router (ABR), Area Border Router (ABR)
area IDs, Area ID
area-id field, Getting OSPF Running
assigning, Getting OSPF Running, OSPF Area IDs
AS-PATH attribute, AS-PATH (type code 2)
ASBR (autonomous system boundary router), Autonomous System Boundary Router (ASBR)
ASBR summary LSAs (type 4), OSPF Topological Database, ASBR summary LSA (type 4)
ASs (autonomous systems), Dynamic Routing
Internet Registry numbers for, Acquiring an AS Number
ISPs’ peers, E-BGP Versus I-BGP
numbers, IGRP Autonomous System Number, EIGRP Packet Format, Acquiring an AS Number
types, AS Types
unique identifiers, Background
Atomic Aggregate attribute, Atomic Aggregate (type code 6)
authentication
fields, RIP-2 Packet Format
MD5, Cisco support for, RIP-2 Packet Format
RIP-2, Routing Information Protocol Version 2 (RIP-2), Authentication
routing updates, Authentication
autonomous system boundary router (ASBR), Autonomous System Boundary Router (ASBR)
autonomous system numbers, IGRP Autonomous System Number, EIGRP Packet Format
acquiring, Acquiring an AS Number
autonomous systems (see ASs)

B

backbone area, Open Shortest Path First (OSPF), Backbone Area
backbone router, Backbone Router
backup designated router (see BDR)
bandwidth, Interface bandwidth, delay, reliability, load, and MTU
default values, Interface bandwidth, delay, reliability, load, and MTU
modification of, OSPF Metric
path, Path bandwidth, delay, reliability, load, and MTU
bandwidth command, Modifying interface bandwidth, delay, and MTU
BDR (backup designated router), Backup designated router , DR/BDR Election
election, DR/BDR Election
BGP dampening, Originating Routes
BGP-4 (Border Gateway Protocol 4), Border Gateway Protocol 4 (BGP-4), Summing Up
Aggregator attribute, Aggregator (type code 7)
AS numbers, acquisition, Acquiring an AS Number
AS-PATH attribute, AS-PATH (type code 2)
Atomic Aggregate attribute, Atomic Aggregate (type code 6)
BGP table, How BGP Works, The BGP Table
attributes, The BGP Table
configuration, Getting BGP Running, Getting BGP Running
ebgp-multihop command, Load Balancing
functioning, How BGP Works, Path Selection
I-BGP and E-BGP, How BGP Works
Internet, connecting to, Connecting to the Internet, A Case Study
load balancing, Load Balancing
LOCAL-PREF attribute, LOCAL-PREF (type code 5)
MED attribute, MED (type code 4)
message types, BGP Message Types, Keepalive
metrics, How BGP Works
neighbor relationships, Neighbor Relationship
network statement, Originating Routes
NEXT-HOP attribute, NEXT-HOP (type code 3)
ORIGIN attribute, ORIGIN (type code 1)
peer specification, Getting BGP Running
redistribute static statement, Originating Routes
route filtering, Route Filtering, Filtering by AS-PATH Information
AS-PATH, filtering by, Filtering by AS-PATH Information
prefix (address/mask), filtering by, Filtering by Prefix (Address/Mask) Information
route maps, Attributes, Attributes
routing policies, Border Gateway Protocol 4 (BGP-4)
routing tables, How BGP Works
transferring routes into, Originating Routes
synchronization with I-BGP, Synchronization
troubleshooting, Troubleshooting BGP, Troubleshooting BGP
updates, attributes of, Attributes
Weight attribute, Weight
Border Gateway Protocol 4 (see BGP-4)

C

checksum, EIGRP Packet Format, Checksum
CIDR (Classless Inter-Domain Routing), Classless Inter-Domain Routing (CIDR), Background, Classless Inter-Domain Routing (CIDR), Classless Inter-Domain Routing (CIDR)
ip classless command, Classless Inter-Domain Routing (CIDR)
route aggregation, Classless Inter-Domain Routing (CIDR)
Cisco
documentation, Audience
IOS commands, route redistribution, How to Redistribute
MD5 support, RIP-2 Packet Format
proprietary routing protocols, Organization
routers, serial interface configuration, Modifying IGRP metrics
classful route lookups, Classful Route Lookups
vs. classless route lookups, Classful Versus Classless Route Lookup
classful routing protocols, IGRP routing update
vs. classless routing protocols, Classful Versus Classless Routing Protocols, Classless Inter-Domain Routing (CIDR)
Classless Inter-Domain Routing (see CIDR)
composite metrics, IGRP Metric
IGRP, IGRP composite metric
confederations, E-BGP Versus I-BGP
contiguous networks, Definitions and Concepts
convergence, Convergence
DUAL, How EIGRP Works, Convergence in DUAL -- local computation, Convergence in DUAL -- diffusing computation
diffusing computation, Convergence in DUAL -- diffusing computation
local computation, Convergence in DUAL -- local computation
speeding up, Speeding Up Convergence
IGRP, Speeding Up Convergence
core routers, Dynamic Routing

D

database description (DD) packet, Database Exchange
DCs (demand circuits), Demand Circuits
DD (database description) packet, Database Exchange
dead-interval, Router dead-interval
debug commands, Debug Commands
debug ip ospf adjacency command, Verifying Neighbor Relationships, Debug Commands
debug ip ospf events command, Debug Commands
default bandwidth and delay values, Interface bandwidth, delay, reliability, load, and MTU
default routes, Default Route, Default Routes, Default Routes
creation, Default Routes
multiple routes, Multiple Default Routes
default-information-originate keyword, NSSAs
delay, Interface bandwidth, delay, reliability, load, and MTU
default values, Interface bandwidth, delay, reliability, load, and MTU
path, Path bandwidth, delay, reliability, load, and MTU
unit of measure, Modifying interface bandwidth, delay, and MTU
delay command, Modifying interface bandwidth, delay, and MTU
demand circuits (DCs), Demand Circuits
designated router (see DR)
Diffusing Update Algorithm (see DUAL)
Dijkstra’s algorithm, Definitions and Concepts
SPF (Shortest Path First) algorithm, Dynamic Routing, Open Shortest Path First (OSPF)
directly connected networks, Directly Connected Networks
discretionary attributes, Attributes
distance command, Rate the Trustworthiness of a Routing Information Source
Distance Vector algorithms (see DV algorithms)
Distance Vector protocols (see DV protocols)
distribute-list in command, Filter the Routes Received in Updates
distribute-list out command, Filter the Routes Sent out in Updates
distribution routers, Dynamic Routing
DR (designated router), Designated router (DR), DR/BDR Election
election, DR/BDR Election
DUAL (Diffusing Update Algorithm), How EIGRP Works, Diffusing Update Algorithm (DUAL), Convergence in DUAL -- diffusing computation
convergence, Convergence in DUAL -- local computation, Convergence in DUAL -- diffusing computation
diffusing computation, Convergence in DUAL -- diffusing computation
local computation, Convergence in DUAL -- local computation
hello-interval, Neighbor Relationship
neighbor relationship, Neighbor Relationship
supported protocols, How EIGRP Works
topology tables, Topology table, Topology table
DV (Distance Vector) algorithms, Dynamic Routing, Interior Gateway Routing Protocol (IGRP)
DV (Distance Vector) protocols, Routing Information Protocol (RIP)
timers, Convergence
dynamic routing, Dynamic Routing
protocols, Routing Information Protocol (RIP)

E

E-BGP (External-BGP), How BGP Works
peer relationships, Neighbor Relationship
vs. I-BGP, E-BGP Versus I-BGP
ebgp-multihop command, Load Balancing
EGPs (exterior gateway protocols), Dynamic Routing, Border Gateway Protocol 4 (BGP-4)
EIGRP (Enhanced Interior Gateway Routing Protocol), Enhanced Interior Gateway Routing Protocol (EIGRP)
bandwidth on low-speed links, EIGRP Bandwidth on Low-Speed Links
configuring, Getting EIGRP Running
default routes, Default Routes
DUAL, Diffusing Update Algorithm (DUAL), Convergence in DUAL -- diffusing computation
IGRP, similarities to, Enhanced Interior Gateway Routing Protocol (EIGRP)
incompatibility, non-Cisco routers, Enhanced Interior Gateway Routing Protocol (EIGRP)
metrics, EIGRP Metric
packets, EIGRP Packet Format, External routes
headers, EIGRP Packet Format
IP route updates, EIGRP Packet Format
route summarization, Route Summarization, Manual Summarization
automatic, Automatic Summarization, Automatic Summarization
manual, Manual Summarization, Manual Summarization
transport protocol, Reliable Transport Protocol
troubleshooting, Troubleshooting EIGRP, Debug Commands
bug lists, Network Logs
debug commands, Debug Commands
neighbor relationships, verification, Verifying Neighbor Relationships
show logging command, Network Logs
stuck-in-active, Stuck-in-Active
updates, How EIGRP Works
Enhanced Interior Gateway Routing Protocol (see EIGRP)
EXEC commands
show interface, Directly Connected Networks
show ip route, Directly Connected Networks, Static Routing
exterior gateway protocols (EGPs), Dynamic Routing, Border Gateway Protocol 4 (BGP-4)
exterior routes, IGRP routing update
external links, Neighbor Relationship
external LSAs (type 5), OSPF Topological Database, External LSA (type 5)
external routes, External routes, Autonomous System Boundary Router (ASBR)
types 1 and 2, OSPF Route Types

F

fast switching, Parallel Paths
FC (feasibility condition), Feasibility condition and feasible successor
FD (feasible distance), Feasible distance and successor
flat routing architectures, Dynamic Routing
flat routing protocols, Open Shortest Path First (OSPF)
floating static routes, Administrative Controls
flush timer, Convergence
FS (feasible successor), Feasibility condition and feasible successor

G

gateway of last resort, Default Routes

H

hello packets, How EIGRP Works
format, Neighbor Discovery: The Hello Protocol, Neighbor router ID list
hello protocol, Neighbor Discovery: The Hello Protocol
hello-interval, Neighbor Relationship, Hello-interval
hierarchical routing architectures, Dynamic Routing
hierarchical routing protocols, Open Shortest Path First (OSPF)
hold-down timer, Convergence
hold-time, Neighbor Relationship
hello-interval, and (DUAL), Neighbor Relationship
hops, maximum value, Path bandwidth, delay, reliability, load, and MTU

I

I-BGP (Internal-BGP), How BGP Works
mesh, E-BGP Versus I-BGP
peer relationships, Neighbor Relationship
synchronization, Synchronization
vs. E-BGP, E-BGP Versus I-BGP
IANA (Internet Assigned Numbers Authority), private addresses, Acquiring an IP Address
IGPs (interior gateway protocols), Dynamic Routing, Border Gateway Protocol 4 (BGP-4)
BGP, load balancing of, Load Balancing
IGRP (Interior Gateway Routing Protocol), Interior Gateway Routing Protocol (IGRP), Summing Up
AS numbers, IGRP Autonomous System Number
bandwidth and delay commands, Modifying interface bandwidth, delay, and MTU
classful route lookups, Classful Route Lookups
composite metrics, IGRP composite metric
configuring a network, Getting IGRP Running
default routes, Default Routes
hold-downs, disabling, Disabling IGRP Hold-Downs
IGRP command, Getting IGRP Running
metrics, Interior Gateway Routing Protocol (IGRP), IGRP Metric
customizing, IGRP composite metric
parallel paths, Parallel Paths
process ID, Getting IGRP Running
RIP, similarities to, Speeding Up Convergence
route summarization, Route Summarization
routing updates, IGRP routing update
scaling, Summing Up
timers, Speeding Up Convergence
unequal metric load balancing, Unequal metric (cost) load balancing
update packets, IGRP routing update
updates
frequency, Steady State
processing, Processing IGRP updates
initialization bit, Neighbor Relationship
inter-area routes, OSPF Route Types
interface configuration mode, RIP-1, RIP-2 interworking, RIP-1/RIP-2 Interworking
interior gateway protocols (see IGPs)
Interior Gateway Routing Protocol (see IGRP)
internal links, Neighbor Relationship
internal router, Internal Router
internal routes, IGRP routing update, Internal routes
Internet Exchanges, Gluing AS to AS... Physical Connectivity in the Internet
Internet Registries, Internet Registries: IP Addresses and AS Numbers
address portability, Acquiring an IP Address
AS numbers, Acquiring an AS Number
intra-area routes, OSPF Route Types
invalid timer, Convergence
IOS commands, route redistribution, How to Redistribute
IP addresses, Acquiring an IP Address
portability, Acquiring an IP Address
ip as-path access-list command, Filtering by AS-PATH Information
ip classless command, Classless Inter-Domain Routing (CIDR)
ip ospf network broadcast command, NBMA Networks
ip prefix-list command, Filtering by Prefix (Address/Mask) Information
ip route command, Static Routing
IP routing, Preface, What Is IP Routing?
underlying processes, Underlying Processes
IP routing commands, Audience
ISPs (Internet service providers)
choice of, Choosing an ISP
peers, ASs, E-BGP Versus I-BGP

K

keepalive messages, Keepalive
key chains, Authentication
key management, Authentication

L

link reliability, Interface bandwidth, delay, reliability, load, and MTU
Link State (LS) protocols, Routing Information Protocol (RIP)
link state acknowledgment packets, Database Exchange
link state advertisements (see LSAs)
Link State algorithm, Dynamic Routing, Open Shortest Path First (OSPF)
link state database, Definitions and Concepts
link state ID, Database Exchange
link state request packets, Database Exchange
link utilization, Interface bandwidth, delay, reliability, load, and MTU
load, Interface bandwidth, delay, reliability, load, and MTU
path, Path bandwidth, delay, reliability, load, and MTU
route stability, and, IGRP composite metric
load balancing, Routing Information Protocol (RIP)
BGP, Load Balancing
LOCAL-PREF attribute, LOCAL-PREF (type code 5)
longest prefix match, The Routing Table, Classful Versus Classless Route Lookup
loop freedom, Loop freedom
LS type, Database Exchange
LSAs (link state advertisements), OSPF Topological Database
ASBR summary LSAs (type 4), ASBR summary LSA (type 4)
external LSAs (type 5), External LSA (type 5)
flooding, Flooding of LSAs
headers, Database Exchange
network LSAs (type 2), Network LSA (type 2)
NSSA external LSAs (type 7), NSSA external LSA (type 7)
router LSAs (type 1), Router LSA (type 1)
sequence numbers, Database Exchange
summary LSAs (type 3), Summary LSA (type 3)

M

mandatory attributes, Attributes
match keywords, How to Redistribute
Maximum Transmission Unit (see MTU)
maximum-paths command, Maximum Number of Paths
MD5 authentication mode, RIP-2, Authentication
MED attribute, MED (type code 4)
metric-type keyword, Default Routes
metric-value keyword, Default Routes, How to Redistribute
metrics, Dynamic Routing, How RIP Finds Shortest Paths
EIGRP, EIGRP Metric
IGRP, Interior Gateway Routing Protocol (IGRP), IGRP Metric
OSPF, OSPF Metric
MTU (Maximum Transmission Unit), Interface bandwidth, delay, reliability, load, and MTU
path, Path bandwidth, delay, reliability, load, and MTU
multi-homed networks, AS Types
mutual redistribution, Redistribute Routes

N

NAPs (network access points), Gluing AS to AS... Physical Connectivity in the Internet
NBMA networks, NBMA Networks, NBMA Networks
neighbor command, BGP, Neighbor Relationship
neighbor relationships, Neighbor Relationship, Neighbor Relationship, How BGP Works
BGP, verification under, Getting BGP Running
BGP-4, Neighbor Relationship
EIGRP, verification under, Verifying Neighbor Relationships
neighbor router ID list, Neighbor router ID list
network access points (NAPs), Gluing AS to AS... Physical Connectivity in the Internet
network administration
IOS commands, route redistribution, How to Redistribute
multiple routing protocols, managing, Redistribute Routes
routing controls, Administrative Controls, Summing Up
routing information, translation between domains, Redistribute Routes
steady state, Steady State
network logs, Network Logs
network LSAs (type 2), OSPF Topological Database, Network LSA (type 2)
network mask, Network mask
network statement, Originating Routes
networks
C and R attributes, Getting RIP Running
directly connected, Directly Connected Networks
IGRP, design, Route Summarization
internal addressing, devices, Acquiring an IP Address
monitoring state of, Steady State
private addresses, Acquiring an IP Address
next hop IP addresses, Routing Information Protocol Version 2 (RIP-2), RIP-2 Packet Format
NEXT-HOP attribute, NEXT-HOP (type code 3)
no auto-summary command, Originating Routes
no-redistribution keyword, NSSAs
no-summary keyword, NSSAs
nontransitive attributes, Attributes
notification message, Notification
NSSA external LSAs (type 7), OSPF Topological Database, NSSA external LSA (type 7)
NSSAs (not so stubby areas), Not So Stubby Area (NSSA), NSSAs

O

offset lists, Fine-Tuning RIP
offset-list command, Apply an Offset to a Routing Metric
opcode field, EIGRP Packet Format
open message, Open
Open Shortest Path First protocol (see OSPF)
optional attributes, Attributes
options field, Options
ORIGIN attribute, ORIGIN (type code 1)
OSPF (Open Shortest Path First) protocol, Dynamic Routing, Open Shortest Path First (OSPF), Summing Up
ABR (area border router), Area Border Router (ABR)
administrative requirements, Summing Up
ASBR (autonomous system boundary router), Autonomous System Boundary Router (ASBR)
backbone area, Backbone Area
backbone router, Backbone Router
configuration, Getting OSPF Running, Getting OSPF Running
DCs (demand circuits), Demand Circuits
default routes, Default Routes
design, OSPF Design Heuristics, OSPF Timers
Dijkstra’s algorithm, Definitions and Concepts
functioning, explanation of, How OSPF Works
hello packets, format of, Neighbor Discovery: The Hello Protocol, Neighbor router ID list
hello protocol, Neighbor Discovery: The Hello Protocol
high-speed networks, calculating costs, OSPF Metric
interface state, Interface State
internal router, Internal Router
metrics, OSPF Metric
NBMA networks, NBMA Networks, NBMA Networks
neighbor relationships, Neighbor Relationship
network command, Getting OSPF Running
packets, How OSPF Works
regular area, Area or Regular Area
route summarization, Route Summarization, Summarizing at the ASBR (or External Route Summarization)
ABR (inter-area summarization), Summarizing at the ABR (Inter-Area Summarization)
ASBR (external route summarization), Summarizing at the ASBR (or External Route Summarization)
route types, OSPF Route Types
show ip ospf interface command, Getting OSPF Running, OSPF Metric
stub areas, Stub Areas
topological database, OSPF Topological Database
troubleshooting, Troubleshooting OSPF, Debug Commands
area IDs, OSPF Area IDs
debug commands, Debug Commands
failure to start, OSPF Does Not Start
logs, Network Logs
LS database, using, Using the LS Database
overloaded routers, Overloaded Routers
route summarization, Route Summarization
SPF overruns, SPF Overrun
verification of neighbor relationships, Verifying Neighbor Relationships
VLs (virtual links), Virtual Links , Virtual Links
outgoing interfaces, IGRP composite metric

P

parallel paths, IGRP, Parallel Paths
passive state, Topology table
passive-interface command, Block All Updates on an Interface
passwords
lifetimes, Authentication
routers, global configuration mode, Authentication
paths, metrics, for defining, Path bandwidth, delay, reliability, load, and MTU
PDM (protocol-dependent module), Protocol-Dependent Module
plain-text authentication mode, RIP-2, Authentication
poison reverse, Poison reverse
private addresses, Acquiring an IP Address
private peering, Gluing AS to AS... Physical Connectivity in the Internet
process switching, Parallel Paths, Parallel Paths
process-id, Getting OSPF Running, How to Redistribute
proprietary protocols, Open Shortest Path First (OSPF)
protocol keyword, How to Redistribute
protocol-dependent module (PDM), Protocol-Dependent Module
proxies, Acquiring an IP Address

Q

QCnt (queue count), Reliable Transport Protocol
queries, Reliable Transport Protocol

R

RD (reported distance), Reported distance
redistribute command, How to Redistribute
redistribute static command, Originating Routes
redistribute static statement, Originating Routes
regular area, Area or Regular Area
reliability, Interface bandwidth, delay, reliability, load, and MTU
path, Path bandwidth, delay, reliability, load, and MTU
replies, Reliable Transport Protocol
reported distance (RD), Reported distance
retransmission timeout (RTO), Reliable Transport Protocol
RFC 1771, Border Gateway Protocol 4 (BGP-4)
RFC 1793, Demand Circuits
RFC 1918, Acquiring an IP Address
RIP (Routing Information Protocol), Dynamic Routing, Routing Information Protocol (RIP), Summing Up
compatibility, Versions 1 and 2, RIP-1/RIP-2 Compatibility
fine tuning, Fine-Tuning RIP
limitations, Summing Up
offset lists, Fine-Tuning RIP
RIP metric, RIP Metric
timers, setting, Setting timers
updates, RIP Update, Processing RIP Updates
RIP-2 (Routing Information Protocol Version 2), Routing Information Protocol Version 2 (RIP-2), Summing Up
authentication modes, supported, Authentication
configuration, Getting RIP-2 Running, Getting RIP-2 Running
features, Routing Information Protocol Version 2 (RIP-2)
packet format, RIP-2 Packet Format, RIP-2 Packet Format
route summarization, Route Summarization
uses, Summing Up
Version 1, compatibility with, RIP-1/RIP-2 Compatibility
VLSM support, Getting RIP-2 Running
route lookups, classful vs. classless, Classful Versus Classless Route Lookup
route map commands, How BGP Works
route maps, Attributes, Attributes, How to Redistribute
route redistribution, Redistribute Routes
IOS commands, How to Redistribute
potential problems, Many Pitfalls...
route reflectors (RRs), E-BGP Versus I-BGP
route summarization, Route Summarization
EIGRP, Route Summarization, Manual Summarization
OSPF, Route Summarization, Summarizing at the ASBR (or External Route Summarization)
RIP-2, Route Summarization
route tags, Routing Information Protocol Version 2 (RIP-2)
route-map weight, Weight
router bgp command, Getting BGP Running, Starting BGP
router dead-interval, Router dead-interval
router igrp command, Getting IGRP Running
router LSAs (type 1), OSPF Topological Database, Router LSA (type 1)
router ospf command, Getting OSPF Running
router priority, Router priority
router rip command, Getting RIP Running
routers
core routers, Dynamic Routing
distribution routers, Dynamic Routing
serial interface configuration, Cisco models, Modifying IGRP metrics
routing, What Is IP Routing?
anomalies, Many Pitfalls...
controls, administration of, Administrative Controls, Summing Up
domains, Getting EIGRP Running
dynamic, Dynamic Routing
loops, How EIGRP Works
policies, Border Gateway Protocol 4 (BGP-4)
BGP, route filtering, Route Filtering, Filtering by AS-PATH Information
static, Static Routing
updates
authentication, Authentication
IGRP, IGRP routing update
Routing Information Protocol (see RIP)
Routing Information Protocol Version 2 (see RIP-2)
routing protocols
algorithms, Dynamic Routing
classful, IGRP routing update
vs. classless, Classful Versus Classless Routing Protocols, Classless Inter-Domain Routing (CIDR)
dynamic, Routing Information Protocol (RIP)
features of, Dynamic Routing
flat, Open Shortest Path First (OSPF)
hierarchical, Open Shortest Path First (OSPF)
routing tables, The Routing Table, The Routing Table
administration, Administrative Controls, Summing Up
BGP, size under, How BGP Works
BGP-4, transfer of routes, Originating Routes
body, The Routing Table
IGRP route labels, Getting IGRP Running
longest prefix match, The Routing Table
timer values, Steady State, Steady State
RRs (route reflectors), E-BGP Versus I-BGP
RTO (retransmission timeout), Reliable Transport Protocol

S

sequence fields, EIGRP Packet Format
serial interface configuration, Cisco routers, Modifying IGRP metrics
serial links and subnet masking, Getting RIP-2 Running
show interface command, Directly Connected Networks, Interface bandwidth, delay, reliability, load, and MTU
show ip bgp neighbor command, Neighbor Relationship
show ip eigrp topology command, Topology table
show ip ospf database command, Using the LS Database
show ip ospf interface command, Getting OSPF Running, OSPF Metric, OSPF Area IDs
show ip route command, Directly Connected Networks, Static Routing, Path bandwidth, delay, reliability, load, and MTU
show ip route destination-network-number command, EIGRP Metric
show log command, Network Logs
SIA (stuck-in-active), Convergence in DUAL -- diffusing computation, Stuck-in-Active
singly-homed networks, AS Types
split horizon, Split horizon
SRTT (smoothed round trip time), Reliable Transport Protocol
static routing, Static Routing
static routes, Static Routing
floating, Administrative Controls
stub areas, Stub Area, Stub Areas
stub ASs, AS Types
stuck-in-active (SIA), Convergence in DUAL -- diffusing computation, Stuck-in-Active
sub-subnetting, Getting RIP-2 Running
subnet masks, Subnet Masks, Variable Length Subnet Masks
(see also VLSM)
24- vs. 30-bit, Getting RIP-2 Running
subnets keyword, How to Redistribute
subnets, zero subnets, Use of Subnet Zero
successor, Feasible distance and successor
summary LSAs (type 3), OSPF Topological Database, Summary LSA (type 3)
switching modes, Parallel Paths
synchronization, Synchronization
system routes, IGRP routing update

T

timer values, Steady State
topological address allocation, Classless Inter-Domain Routing (CIDR)
topological database, Definitions and Concepts
topology tables, Getting EIGRP Running, Diffusing Update Algorithm (DUAL), Topology table, Topology table
TOS (types of service), OSPF Metric
totally stubby areas, Totally Stubby Area, Totally Stubby Areas
TraderMary network, Getting RIP Running
transit networks, Router LSA (type 1)
transitive attributes, Attributes
troubleshooting
BGP, Troubleshooting BGP, Troubleshooting BGP
EIGRP, Troubleshooting EIGRP, Debug Commands
OSPF, Troubleshooting OSPF, Debug Commands
type-value, How to Redistribute

U

update message, Update
update packets, IGRP routing update, Reliable Transport Protocol
update timer, Convergence
updates, reliable transmission of, How EIGRP Works

V

Variable Length Subnet Masks (see VLSM)
variance command, Unequal metric (cost) load balancing
VLs (virtual links), Virtual Links , Virtual Links
VLSM (Variable Length Subnet Masks), Subnet Masks, Variable Length Subnet Masks, VLSM
EIGRP, support by, Variable Length Subnet Masks, Variable Length Subnet Masks
OSPF, support by, NBMA Networks, VLSM
RIP-2, support by, Getting RIP-2 Running, VLSM

W

Weight attribute, Weight
weight keyword, How to Redistribute
well-known attributes, Attributes
wildcard-mask, Getting OSPF Running

Z

zero subnets, Use of Subnet Zero
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